package ResponsibilityChain.base;
//创建抽象的记录器类
public abstract class AbstractLogger {
    public static int INFO = 1;
    public static int DEBUG = 2;
    public static int ERROR = 3;

    protected int level;

    //责任链的下一个元素
    protected AbstractLogger nextLogger;

    public void setNextLogger(AbstractLogger nextLogger){
        this.nextLogger =nextLogger;
    }

    public void logMessage(int level,String message){
        if (this.level<=level){
            write(message);
        }if (nextLogger!=null){
            nextLogger.logMessage(level, message);
        }
    }

    protected abstract void write(String message);
}
